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-rw-r--r--rules.d/81-net-bridge.rules16
-rw-r--r--rules.d/meson.build1
2 files changed, 17 insertions, 0 deletions
diff --git a/rules.d/81-net-bridge.rules b/rules.d/81-net-bridge.rules
new file mode 100644
index 0000000000..defb31fe31
--- /dev/null
+++ b/rules.d/81-net-bridge.rules
@@ -0,0 +1,16 @@
+# do not edit this file, it will be overwritten on update
+
+ACTION=="remove", GOTO="net_bridge_end"
+SUBSYSTEM!="net", GOTO="net_bridge_end"
+
+# Some devices require the port to be up before joining the bridge.
+# In such cases, set ID_NET_BRING_UP_BEFORE_JOINING_BRIDGE to "1".
+
+# Texas Instruments Ethernet device with switchdev mode:
+# https://docs.kernel.org/networking/device_drivers/ethernet/ti/am65_nuss_cpsw_switchdev.html#enabling-switch
+ENV{ID_NET_DRIVER}=="am65-cpsw-nuss", SUBSYSTEMS=="platform", DRIVERS=="am65-cpsw-nuss", \
+ PROGRAM="/usr/sbin/devlink dev param show platform/%b name switch_mode", \
+ RESULT=="*cmode runtime value true*", \
+ ENV{ID_NET_BRING_UP_BEFORE_JOINING_BRIDGE}="1"
+
+LABEL="net_bridge_end"
diff --git a/rules.d/meson.build b/rules.d/meson.build
index 3040fae8a4..61165fd86f 100644
--- a/rules.d/meson.build
+++ b/rules.d/meson.build
@@ -29,6 +29,7 @@ rules = [
'75-probe_mtd.rules',
'78-sound-card.rules',
'80-net-setup-link.rules',
+ '81-net-bridge.rules',
'81-net-dhcp.rules',
'90-iocost.rules',
)],